Give me a hand with this model

Alibre Design Professional 9.0 parametric, feature-based 3D CAD software, with a real-time chat feature called Alibre Assistant. The assistant lets users chat with other users or Alibre support to get design help while they are building models. The assistant also let users give an Alibre engineer control of their design to show them what to do. The developers provided a comprehensive set of tutorials, training CDs, online help, and documentation. This information and the software's intuitive interface make it easy for user to learn the program. The design Configurations utility allows users easily switch between versions of design. Alibre Design Professional costs about $1,500. Alibre design Xpress is a free, basic version that targets users new to design and is downloadable from the company's Website.